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ICD-10 diagnosis code

G47.4 Narcolepsy and cataplexy

This page in Swedish

G47.4 is the ICD-10 code for Narcolepsy and cataplexy. It is a four-character subcategory of G47 (Sleep disorders), the most specific level in the WHO edition. It belongs to the block G40–G47 (Episodic and paroxysmal disorders) in Chapter VI, Diseases of the nervous system.

Code type
Subcategory (4 characters)
Chapter
VI · G00–G99
Classification
WHO ICD-10, 2019 version

G47.4 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

G47.4Narkolepsi och kataplexi

  • G47.4ANarkolepsi typ 1 (narkolepsi med kataplexi och/eller patologiskt lågt hypokretinvärde)
  • G47.4BNarkolepsi typ 2 (narkolepsi utan kataplexi och med icke patologiskt eller icke uppmätt hypokretinvärde)
  • G47.4WAnnan specificerad narkolepsi och kataplexi (inklusive sekundär narkolepsi)
  • G47.4XNarkolepsi och kataplexi, ospecificerad
NorwayICD-10-NO

G47.4Narkolepsi eller katapleksi

DenmarkICD-10-DK

DG474Narkolepsi og katapleksi

  • DG4741Narkolepsi med katapleksi
  • DG4742Narkolepsi uden katapleksi
  • DG4743Narkolepsi udløst af sygdom klassificeret andetsteds
  • DG4744Narkolepsi UNS
FinlandICD-10-FI

G47.4Narkolepsia ja/tai katapleksia

GermanyICD-10-GM

G47.4Narkolepsie und Kataplexie

FranceICD-10-FR

G47.4Narcolepsie et cataplexie

NetherlandsICD-10-NL

G47.4narcolepsie en kataplexie

United StatesICD-10-CM

Listed through more specific codes:

  • G47.411Narcolepsy with cataplexy
  • G47.419Narcolepsy without cataplexy
  • G47.421Narcolepsy in conditions classified elsewhere with cataplexy
  • G47.429Narcolepsy in conditions classified elsewhere without cataplexy

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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